package com.ktjiaoyu.springboothelloworld.service.impl;

import com.ktjiaoyu.springboothelloworld.service.UserService;
import org.springframework.stereotype.Service;

@Service
public class UserServiceImpl implements UserService {
    @Override
    public int insert() {
        System.out.println("UserServiceImpl的insert执行了");
        return 0;
    }
}
